Home / 14,289.38-21,412.54-12,732.17

Finding the Fourth Proportional to 14,289.38, 21,412.54 and 12,732.17

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Solution

The fourth proportional to 14,289.38, 21,412.54 and 12,732.17 is: 19,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.38 : 21,412.54 = 12,732.17 : x
  2. Step 2: Convert to fraction form
    14,289.38/21,412.54 = 12,732.17/x
  3. Step 3: Cross multiply
    14,289.38x = 21,412.54 × 12,732.17
  4. Step 4: Simplify right side
    14,289.38x = 272,628,045.88
  5. Step 5: Solve for x
    x = 272,628,045.88/14,289.38
  6. Step 6: Final answer
    x = 19,079.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.